Alloy 1440
Designation
Description
The alloy-1440 is used: for the manufacture of semi-finished products and parts of the power elements of the aircraft.
Note
The alloy system Al-Mg-Li-Cu. The alloy is recommended as a substitute for alloys D16, and AK8.
Standards
Chemical composition
Al is the base.
According to OST 1 90048-90 mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%. Beryllium is not determined by chemical analysis, but is introduced by calculation.
According to OST 1 90048-90 mass fraction of each other impurity (not regulated) ≤ 0.05%, total mass fraction of other impurities ≤ 0.10%. Beryllium is not determined by chemical analysis, but is introduced by calculation.